00001 /* 00002 * Copyright (C) 2007 00003 * Mercedes-Benz Research & Development North America, Inc. and 00004 * University of Karlsruhe (TH) 00005 * All rights reserved. 00006 * 00007 * This program is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU General Public License, 00009 * version 2, as published by the Free Software Foundation. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License along 00017 * with this program; if not, write to the Free Software Foundation, Inc., 00018 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 00019 * 00020 * 00021 * The copyright of this module includes the following 00022 * linking-with-specific-other-licenses addition: 00023 * 00024 * In addition, as a special exception, the copyright holders of 00025 * this module give you permission to combine (via static or 00026 * dynamic linking) this module with free software programs or 00027 * libraries that are released under the GNU LGPL and with code 00028 * included in the standard release of ns-2 under the Apache 2.0 00029 * license or under otherwise-compatible licenses with advertising 00030 * requirements (or modified versions of such code, with unchanged 00031 * license). You may copy and distribute such a system following the 00032 * terms of the GNU GPL for this module and the licenses of the 00033 * other code concerned, provided that you include the source code of 00034 * that other code when and as the GNU GPL requires distribution of 00035 * source code. 00036 * 00037 * Note that people who make modified versions of this module 00038 * are not obligated to grant this special exception for their 00039 * modified versions; it is their choice whether to do so. The GNU 00040 * General Public License gives permission to release a modified 00041 * version without this exception; this exception also makes it 00042 * possible to release a modified version which carries forward this 00043 * exception. 00044 * 00045 */ 00046 00047 /* 00048 * For further information see: 00049 * http://dsn.tm.uni-karlsruhe.de/english/Overhaul_NS-2.php 00050 */ 00051 00052 00053 00054 #ifndef ns_pbc_h 00055 #define ns_pbc_h 00056 00057 #include "agent.h" 00058 #include "tclcl.h" 00059 #include "packet.h" 00060 #include "address.h" 00061 #include "ip.h" 00062 00063 00064 00065 struct hdr_pbc { 00066 double send_time; 00067 static int offset_; // required by PacketHeaderManager 00068 inline static int& offset() { return offset_; } 00069 inline static hdr_pbc* access(const Packet* p) { 00070 return (hdr_pbc*) p->access(offset_); 00071 } 00072 }; 00073 00074 class PBCAgent; 00075 00076 00077 00078 class PBCTimer : public Handler { 00079 public: 00080 PBCTimer(PBCAgent* ag, double p = 1) : agent(ag), period(p) { 00081 started = 0; 00082 } 00083 void start(void); 00084 void stop(void); 00085 void setPeriod(double p); 00086 void setVariance(double v); 00087 void handle(Event *e); 00088 00089 protected: 00090 int started; 00091 Event intr; 00092 PBCAgent *agent; 00093 double period; 00094 double variance; 00095 }; 00096 00097 class PBCAgent : public Agent { 00098 friend class PBCTimer; 00099 public: 00100 PBCAgent(); 00101 ~PBCAgent(); 00102 virtual int command(int argc, const char*const* argv); 00103 virtual void recv(Packet*, Handler*); 00104 void singleBroadcast(); 00105 void singleUnicast(int addr); 00106 bool periodicBroadcast; 00107 00108 double msgInterval; 00109 double msgVariance; 00110 private: 00111 PBCTimer timer; 00112 int size; 00113 int modulationScheme; 00114 }; 00115 00116 #endif // ns_pbc_h
1.7.1